Home / 626,050,393.38-939,257,341.92-252,365,431.46

Finding the Fourth Proportional to 626,050,393.38, 939,257,341.92 and 252,365,431.46

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Solution

The fourth proportional to 626,050,393.38, 939,257,341.92 and 252,365,431.46 is: 378,621,412.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,050,393.38 : 939,257,341.92 = 252,365,431.46 : x
  2. Step 2: Convert to fraction form
    626,050,393.38/939,257,341.92 = 252,365,431.46/x
  3. Step 3: Cross multiply
    626,050,393.38x = 939,257,341.92 × 252,365,431.46
  4. Step 4: Simplify right side
    626,050,393.38x = 237,036,084,340,917,248
  5. Step 5: Solve for x
    x = 237,036,084,340,917,248/626,050,393.38
  6. Step 6: Final answer
    x = 378,621,412.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.